This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:10:08,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:10:08,975 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:10:08,978 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:10:08,978 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:10:08,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:10:08,992 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:10:08,992 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:10:08,993 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:10:08,993 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:10:08,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:10:08,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:10:08,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:10:08,994 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:10:08,995 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:10:08,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:10:08,995 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:10:08,996 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:10:08,996 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:10:08,996 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:10:08,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:10:08,997 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:10:08,997 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:10:08,997 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:10:08,998 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:10:08,998 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:10:08,998 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:10:08,998 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:10:08,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:10:08,999 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:10:08,999 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:10:08,999 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:10:09,000 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:10:09,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:09,000 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:10:09,000 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:10:09,001 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:10:09,001 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:10:09,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:10:09,001 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:10:09,001 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:10:09,004 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:10:09,005 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:10:09,005 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:10:09,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:10:09,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:10:09,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:10:09,202 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:10:09,202 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:10:09,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-13 10:10:10,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:10:10,705 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:10:10,706 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-13 10:10:10,711 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c171d4c17/d4e40ef00c3848b39cdbe53c588c1791/FLAG2b9218b36 [2024-09-13 10:10:10,721 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c171d4c17/d4e40ef00c3848b39cdbe53c588c1791 [2024-09-13 10:10:10,723 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:10:10,725 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:10:10,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.yml/witness-2.1.yml [2024-09-13 10:10:10,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:10:10,762 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:10:10,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:10,763 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:10:10,766 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:10:10,767 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:10" (1/2) ... [2024-09-13 10:10:10,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44f23bb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:10, skipping insertion in model container [2024-09-13 10:10:10,768 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:10" (1/2) ... [2024-09-13 10:10:10,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a60764e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:10, skipping insertion in model container [2024-09-13 10:10:10,769 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:10" (2/2) ... [2024-09-13 10:10:10,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44f23bb4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:10, skipping insertion in model container [2024-09-13 10:10:10,769 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:10" (2/2) ... [2024-09-13 10:10:10,774 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:10:10,774 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && ((b % 4294967296) <= 65535)) [2024-09-13 10:10:10,774 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:10:10,775 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-13 10:10:10,787 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:10:10,954 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c[537,550] [2024-09-13 10:10:10,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:10,987 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:10:11,014 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c[537,550] Start Parsing Local [2024-09-13 10:10:11,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:11,032 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:10:11,032 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:11 WrapperNode [2024-09-13 10:10:11,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:11,033 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:10:11,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:10:11,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:10:11,044 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,053 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,060 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 10:10:11,064 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,064 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,067 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,074 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,075 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:10:11,077 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:10:11,077 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:10:11,077 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:10:11,078 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:11,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:10:11,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 10:10:11,104 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 10:10:11,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:10:11,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:10:11,143 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:10:11,143 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:10:11,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:10:11,143 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:10:11,143 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:10:11,143 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:10:11,143 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:10:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:10:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:10:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:10:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:10:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:10:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:10:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:10:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:10:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:10:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:10:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:10:11,193 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:10:11,194 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:10:11,347 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:11,361 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:10:11,381 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:10:11,383 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:10:11,384 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:11 BoogieIcfgContainer [2024-09-13 10:10:11,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:10:11,384 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:10:11,384 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:10:11,385 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:10:11,385 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:10:10" (1/4) ... [2024-09-13 10:10:11,386 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@29da2995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:11, skipping insertion in model container [2024-09-13 10:10:11,386 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:10" (2/4) ... [2024-09-13 10:10:11,386 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@29da2995 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:11, skipping insertion in model container [2024-09-13 10:10:11,386 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:11" (3/4) ... [2024-09-13 10:10:11,386 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@29da2995 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:11, skipping insertion in model container [2024-09-13 10:10:11,387 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:11" (4/4) ... [2024-09-13 10:10:11,388 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound5.c [2024-09-13 10:10:11,390 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:10:11,391 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:11,391 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 10:10:11,391 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:11,391 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:10:11,392 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:11,392 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-13 10:10:11,392 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:10:11,392 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-13 10:10:11,434 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:10:11,435 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:11,436 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:11,436 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:11,437 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:11,438 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:11,443 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:10:11,444 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:11,444 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:11,445 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:11,445 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:11,447 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:11,459 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:11,480 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:10:11,480 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:11,480 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:11,481 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:11,481 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:11,481 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:11,511 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:10:11,513 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:11,513 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:11,514 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:11,514 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:11,518 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:11,520 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:11,532 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:11,533 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:11,533 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:11,533 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:11,533 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:11,533 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:11,538 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:11,538 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:11,538 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:11,538 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:11,538 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:11,538 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:15,541 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:15,558 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:15,558 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:15,558 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:15,559 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:15,559 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:15,559 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:15,561 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:15,561 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:15,561 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:15,561 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:15,562 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:15,562 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:15,563 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:15,572 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:15,573 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:15,573 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:15,573 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:15,573 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:15,573 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:15,574 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:15,574 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:15,574 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:15,575 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:15,575 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:15,575 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:15,576 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:15,585 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 10:10:15,585 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:15,585 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:15,585 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:15,586 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:15,586 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:15,596 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 10:10:15,597 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:15,597 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:15,597 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:15,597 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:15,597 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:15,602 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:15,619 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 10:10:15,621 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:15,622 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:15,622 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:15,622 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:15,622 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:15,650 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 10:10:15,651 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:15,651 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:15,651 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:15,651 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:15,658 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:19,666 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:19,672 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:10:19,672 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@29da2995 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:19, skipping insertion in model container [2024-09-13 10:10:19,672 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:19,674 INFO L158 Benchmark]: Toolchain (without parser) took 8911.10ms. Allocated memory is still 176.2MB. Free memory was 105.2MB in the beginning and 81.2MB in the end (delta: 24.0MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2024-09-13 10:10:19,674 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:19,674 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 176.2MB. Free memory was 107.2MB in the beginning and 107.1MB in the end (delta: 181.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:19,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.21ms. Allocated memory is still 176.2MB. Free memory was 105.0MB in the beginning and 142.6MB in the end (delta: -37.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:10:19,675 INFO L158 Benchmark]: Boogie Preprocessor took 43.41ms. Allocated memory is still 176.2MB. Free memory was 142.6MB in the beginning and 140.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:19,676 INFO L158 Benchmark]: RCFGBuilder took 306.93ms. Allocated memory is still 176.2MB. Free memory was 140.5MB in the beginning and 125.2MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:10:19,676 INFO L158 Benchmark]: Referee took 8287.77ms. Allocated memory is still 176.2MB. Free memory was 125.2MB in the beginning and 81.2MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-13 10:10:19,678 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 176.2MB. Free memory was 107.2MB in the beginning and 107.1MB in the end (delta: 181.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.21ms. Allocated memory is still 176.2MB. Free memory was 105.0MB in the beginning and 142.6MB in the end (delta: -37.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.41ms. Allocated memory is still 176.2MB. Free memory was 142.6MB in the beginning and 140.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 306.93ms. Allocated memory is still 176.2MB. Free memory was 140.5MB in the beginning and 125.2MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 8287.77ms. Allocated memory is still 176.2MB. Free memory was 125.2MB in the beginning and 81.2MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:19,713 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:10:22,056 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:10:22,149 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 10:10:22,158 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:10:22,163 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:10:22,198 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:10:22,204 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:10:22,205 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:10:22,205 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:10:22,209 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:10:22,210 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:10:22,210 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:10:22,210 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:10:22,210 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:10:22,211 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:10:22,211 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:10:22,213 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:10:22,213 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:10:22,213 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:10:22,213 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:10:22,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:10:22,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:10:22,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:10:22,220 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 10:10:22,220 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 10:10:22,220 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:10:22,220 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 10:10:22,220 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:10:22,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:10:22,221 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:10:22,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:10:22,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:10:22,221 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:10:22,221 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:10:22,221 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:10:22,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:22,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:10:22,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:10:22,222 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:10:22,222 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 10:10:22,222 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 10:10:22,226 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:10:22,228 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:10:22,228 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:10:22,228 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:10:22,229 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 10:10:22,229 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:10:22,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:10:22,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:10:22,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:10:22,644 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:10:22,651 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:10:22,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-13 10:10:24,145 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:10:24,281 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:10:24,282 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-13 10:10:24,288 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/bddbbda13/84f37c0c923a43959c82ca41fb358e58/FLAGf59157f0e [2024-09-13 10:10:24,303 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/bddbbda13/84f37c0c923a43959c82ca41fb358e58 [2024-09-13 10:10:24,305 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:10:24,306 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:10:24,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.yml/witness-2.1.yml [2024-09-13 10:10:24,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:10:24,342 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:10:24,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:24,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:10:24,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:10:24,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:24" (1/2) ... [2024-09-13 10:10:24,347 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17ea4a97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:24, skipping insertion in model container [2024-09-13 10:10:24,347 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:24" (1/2) ... [2024-09-13 10:10:24,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@512a5ca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:24, skipping insertion in model container [2024-09-13 10:10:24,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:24" (2/2) ... [2024-09-13 10:10:24,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17ea4a97 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:24, skipping insertion in model container [2024-09-13 10:10:24,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:24" (2/2) ... [2024-09-13 10:10:24,353 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:10:24,354 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && ((b % 4294967296) <= 65535)) [2024-09-13 10:10:24,354 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:10:24,354 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-13 10:10:24,365 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:10:24,460 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c[537,550] [2024-09-13 10:10:24,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:24,484 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:10:24,520 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c[537,550] Start Parsing Local [2024-09-13 10:10:24,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:24,537 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:10:24,538 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:24 WrapperNode [2024-09-13 10:10:24,538 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:24,538 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:10:24,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:10:24,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:10:24,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:24" (1/1) ... [2024-09-13 10:10:24,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:24" (1/1) ... [2024-09-13 10:10:24,552 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:24" (1/1) ... [2024-09-13 10:10:24,559 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 10:10:24,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:24" (1/1) ... [2024-09-13 10:10:24,560 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:24" (1/1) ... [2024-09-13 10:10:24,564 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:24" (1/1) ... [2024-09-13 10:10:24,566 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:24" (1/1) ... [2024-09-13 10:10:24,567 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:24" (1/1) ... [2024-09-13 10:10:24,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:24" (1/1) ... [2024-09-13 10:10:24,569 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:10:24,570 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:10:24,570 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:10:24,570 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:10:24,571 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:24" (1/1) ... [2024-09-13 10:10:24,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:24,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:10:24,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 10:10:24,604 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 10:10:24,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:10:24,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:10:24,645 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:10:24,645 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:10:24,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:10:24,645 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:10:24,645 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:10:24,645 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:10:24,645 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:10:24,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:10:24,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:10:24,645 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:10:24,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:10:24,645 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:10:24,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:10:24,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 10:10:24,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:10:24,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 10:10:24,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 10:10:24,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:10:24,698 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:10:24,700 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:10:25,035 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:25,050 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:10:25,081 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:10:25,082 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:10:25,082 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:25 BoogieIcfgContainer [2024-09-13 10:10:25,083 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:10:25,083 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:10:25,083 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:10:25,084 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:10:25,084 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:10:24" (1/4) ... [2024-09-13 10:10:25,084 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1d2f858d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:25, skipping insertion in model container [2024-09-13 10:10:25,085 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:24" (2/4) ... [2024-09-13 10:10:25,086 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1d2f858d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:25, skipping insertion in model container [2024-09-13 10:10:25,086 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:24" (3/4) ... [2024-09-13 10:10:25,086 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1d2f858d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:25, skipping insertion in model container [2024-09-13 10:10:25,086 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:25" (4/4) ... [2024-09-13 10:10:25,087 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound5.c [2024-09-13 10:10:25,089 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:10:25,090 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:25,090 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 10:10:25,090 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:25,090 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:10:25,091 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:25,091 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-13 10:10:25,091 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:10:25,091 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-13 10:10:25,134 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:10:25,135 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:25,136 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:25,136 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:25,137 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:25,138 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:25,150 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:10:25,150 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:25,151 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:25,151 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:25,151 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:25,154 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:25,176 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:25,201 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:10:25,201 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:25,201 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:25,201 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:25,202 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:25,202 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:25,211 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:10:25,211 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:25,211 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:25,211 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:25,211 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:25,212 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:25,213 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:25,223 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:25,224 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:25,224 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:25,224 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:25,224 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:25,224 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:25,231 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:25,231 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:25,231 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:25,231 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:25,231 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:25,231 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:25,274 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:25,298 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:25,299 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:25,299 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:25,299 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:25,299 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:25,299 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:25,301 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:25,301 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:25,301 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:25,301 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:25,301 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:25,301 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:25,305 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:25,320 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:25,321 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:25,321 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:25,321 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:25,321 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:25,321 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:25,322 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:25,322 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:25,322 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:25,322 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:25,322 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:25,322 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:25,325 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:25,339 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 10:10:25,341 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:25,341 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:25,341 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:25,341 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:25,341 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:25,355 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 10:10:25,356 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:25,356 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:25,356 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:25,356 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:25,356 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:25,368 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:25,377 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 10:10:25,378 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:25,378 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:25,378 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:25,378 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:25,378 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:25,394 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 10:10:25,395 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:25,395 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:25,395 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:25,395 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:25,398 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:29,432 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:29,449 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:10:29,449 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1d2f858d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:29, skipping insertion in model container [2024-09-13 10:10:29,449 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:29,451 INFO L158 Benchmark]: Toolchain (without parser) took 5107.73ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 41.4MB in the beginning and 59.0MB in the end (delta: -17.6MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-09-13 10:10:29,451 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 67.1MB. Free memory was 47.7MB in the beginning and 47.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:29,451 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 67.1MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:29,452 INFO L158 Benchmark]: CACSL2BoogieTranslator took 195.04ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 41.0MB in the beginning and 61.5MB in the end (delta: -20.5MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-09-13 10:10:29,452 INFO L158 Benchmark]: Boogie Preprocessor took 31.14ms. Allocated memory is still 83.9MB. Free memory was 61.5MB in the beginning and 59.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:29,453 INFO L158 Benchmark]: RCFGBuilder took 512.63ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 43.6MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:10:29,453 INFO L158 Benchmark]: Referee took 4365.95ms. Allocated memory is still 83.9MB. Free memory was 43.6MB in the beginning and 59.0MB in the end (delta: -15.3MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-09-13 10:10:29,455 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 67.1MB. Free memory was 47.7MB in the beginning and 47.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 67.1MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 195.04ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 41.0MB in the beginning and 61.5MB in the end (delta: -20.5MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.14ms. Allocated memory is still 83.9MB. Free memory was 61.5MB in the beginning and 59.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 512.63ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 43.6MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4365.95ms. Allocated memory is still 83.9MB. Free memory was 43.6MB in the beginning and 59.0MB in the end (delta: -15.3MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:29,506 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...